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1365638
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Patent Grant
1365638
References
Source
Patent Number
1,365,638
Date Filed
Not available
Date Issued
Tuesday, January 11, 1921
103 years ago
CPC
H05G1/48 - Compensating the voltage drop occurring at the instant of switching-on of the apparatus
US Classifications
378 - X-ray or gamma ray systems or devices
315 - Electric lamp and discharge devices: systems
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